189493416 has 48 divisors (see below), whose sum is σ = 586528800. Its totient is φ = 54140832.

The previous prime is 189493393. The next prime is 189493433. The reversal of 189493416 is 614394981.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187486 + ... + 188493.

It is an arithmetic number, because the mean of its divisors is an integer number (12219350).

Almost surely, 2^189493416 is an apocalyptic number.

It is an amenable number.

189493416 is an abundant number, since it is smaller than the sum of its proper divisors (397035384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189493416 is a wasteful number, since it uses less digits than its factorization.

189493416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375998 (or 375991 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 189493416 is about 13765.6607542101. The cubic root of 189493416 is about 574.3783234372.

The spelling of 189493416 in words is "one hundred eighty-nine million, four hundred ninety-three thousand, four hundred sixteen".